CN107509387B - Method for manufacturing integrated hydraulic accumulator capsule - Google Patents
Method for manufacturing integrated hydraulic accumulator capsule Download PDFInfo
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- CN107509387B CN107509387B CN201680003570.3A CN201680003570A CN107509387B CN 107509387 B CN107509387 B CN 107509387B CN 201680003570 A CN201680003570 A CN 201680003570A CN 107509387 B CN107509387 B CN 107509387B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/81455—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps being a fluid inflatable bag or bladder, a diaphragm or a vacuum bag for applying isostatic pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D22/00—Producing hollow articles
- B29D22/02—Inflatable articles
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/04—Accumulators
- F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/04—Accumulators
- F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
- F15B1/10—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2201/00—Accumulators
- F15B2201/20—Accumulator cushioning means
- F15B2201/205—Accumulator cushioning means using gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2201/00—Accumulators
- F15B2201/30—Accumulator separating means
- F15B2201/315—Accumulator separating means having flexible separating means
- F15B2201/3152—Accumulator separating means having flexible separating means the flexible separating means being bladders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2201/00—Accumulators
- F15B2201/30—Accumulator separating means
- F15B2201/315—Accumulator separating means having flexible separating means
- F15B2201/3155—Accumulator separating means having flexible separating means characterised by the material of the flexible separating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2201/00—Accumulators
- F15B2201/60—Assembling or methods for making accumulators
- F15B2201/61—Assembling or methods for making separating means therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
A method for preparing hydraulic accumulator capsule comprises sticking a rubber sheet on an inflated air bag to form a capsule blank; putting the capsule blank into a vulcanizing device for vulcanizing to form a capsule primary product; and (4) discharging the gas in the inflatable air bag in the primary capsule product, taking out the air bag, and naturally cooling the vulcanized primary capsule product to room temperature to form a finished capsule product. The capsule manufactured by the manufacturing method has the advantages of one-step vulcanization molding of the whole body, uniform wall thickness, smooth inner and outer surfaces, long fatigue life, simplified process, high product quality and good stability.
Description
Technical Field
The invention relates to a preparation method of an integrated hydraulic accumulator capsule, and belongs to the technical field of capsule preparation.
Background
The accumulator capsule is an important component of a capsule type accumulator, and the accumulator capsule in the prior art is made of rubber, has scalability and is used for storing compressed inert gas. The capsule is filled with nitrogen with certain air pressure, hydraulic oil is filled outside the capsule, and the capsule deforms along with the extrusion of the hydraulic oil, so that the nitrogen is compressed to store energy, and otherwise, the energy is released.
As shown in fig. 1, the accumulator is composed of a pressure-resistant housing, an elastic capsule, an inflation valve, a lift valve, an oil port and the like, the key parts of the accumulator are the capsule and the housing, the capsule is particularly important, and the capsule is a key factor determining the quality and the service life of a product. The accumulator capsule functions mainly as follows: storing energy, absorbing hydraulic impact, eliminating pulsation and recovering energy.
The volume change of the rubber capsule before and after being pressurized in the prior art is less than 1 time, and the rubber capsule cannot absorb a large amount of energy in pulsating pressure and flow, so that the stored energy is insufficient, the thermal expansion compensation performance is poor, the hydraulic impact cannot be absorbed, the pulsation cannot be eliminated, and the noise is reduced. Therefore, the following disadvantages exist: 1. small volume change, unable to effectively absorb pressure pulsation, 2, insufficient function of relieving impact pressure, and 3, short service life.
The reasons for the above-mentioned drawbacks are: the accumulator capsule in the prior art is molded by an inner core die of the capsule according to the volume and the shape, so that the internal stress is accumulated during molding; the volume change of the vulcanized capsule is small, and the pressure pulsation cannot be effectively absorbed; the split vulcanization is carried out after the mould with the inner core is formed, namely, the split process is adopted, and the method of vulcanizing after bonding is adopted in some processes, although the process is called as integral process vulcanization, the process still belongs to the split technology, and the technical defects can not be solved.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the manufacturing method of the integrated hydraulic accumulator capsule.
In order to achieve the purpose, the invention provides a method for manufacturing a hydraulic accumulator capsule, which is characterized by comprising the step of adhering a capsule blank on an inflated air bag by using a film.
And further comprises the step of putting the capsule blank into a vulcanizing device for vulcanization to form a capsule primary product.
Further comprising: and (5) cooling the initial capsule product, then discharging the gas in the air bag, and taking out the air bag to obtain a finished capsule product.
Compared with the prior art, the capsule manufactured by the manufacturing method of the hydraulic accumulator capsule provided by the invention is integrally formed in one-step vulcanization mode, has uniform wall thickness, smooth inner and outer surfaces and long fatigue life, simplifies the process, and has high product quality and good stability. The air tightness is good, the air leakage in the capsule body can be effectively avoided, and the peak valley value of pressure fluctuation can be eliminated.
Drawings
FIG. 1 is a schematic diagram of an accumulator;
in fig. 1: 1 an accumulator; 2, capsules; 3 an oil valve; 4 air valve.
Detailed Description
The present invention will be described in detail with reference to examples.
The invention provides a method for manufacturing a hydraulic accumulator capsule, which comprises the steps of adhering a film on an inflated air bag to form a capsule blank, in particular, preheating the film in a glue drying room at 60-70 ℃ for 3-8 hours, preferably 4 hours, and then winding a plurality of layers of films on the inflated air bag to form a capsule primary product.
The manufacturing method of the hydraulic accumulator capsule also comprises the step of putting the capsule blank into a vulcanizing device for vulcanizing to form a capsule primary product.
The manufacturing method of the hydraulic accumulator capsule further comprises the following steps: and (4) discharging gas in the inflatable air bag in the primary capsule product, taking out the air bag, and naturally cooling the vulcanized primary capsule product to room temperature to form a finished capsule product.
The invention provides a rubber material for a hydraulic accumulator capsule, which is prepared from the following raw materials in parts by weight: 50-90 parts of nitrile rubber; 10-50 parts of polyvinyl chloride plastic; 3-5 parts of zinc oxide; 1-1.5 parts by weight of stearic acid; 0.5-1 part of paraffin; 2.5-3 parts of anti-aging agent; 40-42.5 parts by weight of N220 carbon black; 7.5-10 parts by weight of N774 carbon black; 20-22 parts of a plasticizer; 1.5-1.8 parts by weight of S-80 vulcanizing agent; 0.85 to 1.2 weight portions of DM vulcanizing agent.
Example 1
The rubber material for the hydraulic accumulator capsules provided by the embodiment 1 of the invention is prepared from at least the following raw materials in parts by weight: 70 parts of nitrile rubber; 30 parts of polyvinyl chloride plastic; 3 parts of zinc oxide; 1 part by weight of stearic acid; 1 part by weight of paraffin; 2.5 parts of anti-aging agent; 40 parts by weight of N220 carbon black; 7.5 parts by weight of N774 carbon black; 20 parts by weight of a plasticizer; 1.5 parts of S-80 vulcanizing agent; DM vulcanizing agent 0.85 weight portion.
The preparation method of the rubber material for the hydraulic accumulator capsule provided by the embodiment 1 of the invention comprises the following steps: the first step is as follows: mixing the weighed nitrile rubber, polyvinyl chloride plastic, zinc oxide, stearic acid, paraffin and 4010NA anti-aging agent in an internal mixer, wherein the mixing temperature is controlled at 80 ℃ for about 6min, and the Mooney viscosity of the nitrile rubber is preferably 55-60; the second step is that: adding 2/3N 220 carbon black and 1/2N 774 carbon black in parts by weight into the rubber material, and mixing at 80 ℃ for about 6 min; a third step; then adding 1/3N220 carbon black, 1/2N 774 carbon black and DOA plasticizer in parts by weight for mixing to obtain a master batch, wherein the mixing temperature is controlled at 80 ℃ and the mixing time is about 4 min; the fourth step: putting the master batch into a filter rubber machine for filtering, then putting the master batch into an open mill, and adding an S-80 vulcanizing agent and a DM vulcanizing agent for mixing to obtain a rubber compound; the fifth step: the mixed rubber is turned over and mixed on a heat mixer, so that the mixing uniformity of the rubber material is improved, and the plasticity is further increased; and a sixth step: and (3) putting the rubber compound into a rubber sheet of a calender, then putting the rubber sheet into an extruder to extrude the rubber sheet, and then cooling the rubber sheet.
Example 2
The rubber material for the hydraulic accumulator capsules provided by the embodiment 2 of the invention is prepared from at least the following raw materials in parts by weight: 90 parts of nitrile rubber; 50 parts of polyvinyl chloride plastic; 5 parts by weight of zinc oxide; 1.5 parts by weight of stearic acid; 0.5 part by weight of paraffin; 3 parts of anti-aging agent; 40 parts by weight of N220 carbon black; 7.5 parts by weight of N774 carbon black; 22 parts by weight of a plasticizer; 1.8 parts of S-80 vulcanizing agent; DM vulcanizing agent 1.2 weight portions.
The preparation method of the rubber material for the hydraulic accumulator capsule provided by the embodiment 2 of the invention comprises the following steps: the first step is as follows: mixing the weighed nitrile rubber, polyvinyl chloride plastic, zinc oxide, stearic acid, paraffin and 4010NA anti-aging agent in an internal mixer, wherein the mixing temperature is controlled at 83 ℃ for about 8min, and the Mooney viscosity of the nitrile rubber is preferably 55-60; the second step is that: adding 2/3N 220 carbon black and 1/2N 774 carbon black into the master batch by weight, and mixing at 83 ℃ for about 8 min; a third step; then adding 1/3N220 carbon black, 1/2N 774 carbon black and DOA plasticizer in parts by weight for mixing to obtain a master batch, wherein the mixing temperature is controlled at 83 ℃ and the mixing time is about 4 min; the fourth step: putting the master batch into a rubber filter for filtering, then putting the master batch into an open mill, and then adding the weighed S-80 vulcanizing agent and the weighed DM vulcanizing agent for mixing to obtain a rubber compound; the fifth step: the mixed rubber is turned over and mixed on a heat mixer, so that the mixing uniformity of the rubber material is improved, and the plasticity is further increased; and a sixth step: and (3) putting the rubber compound into a rubber sheet of a calender, then putting the rubber sheet into an extruder to extrude the rubber sheet, and then cooling the rubber sheet.
Example 3
The rubber material for the hydraulic accumulator capsules provided by the embodiment 2 of the invention is prepared from at least the following raw materials in parts by weight: 90 parts of nitrile rubber; 50 parts of polyvinyl chloride plastic; 5 parts by weight of zinc oxide; 1.5 parts by weight of stearic acid; 0.5 part by weight of paraffin; 3 parts of anti-aging agent; 40 parts by weight of N220 carbon black; 7.5 parts by weight of N774 carbon black; 22 parts by weight of a plasticizer; 1.8 parts of S-80 vulcanizing agent; DM vulcanizing agent 1.2 weight portions.
The preparation method of the rubber material for the hydraulic accumulator capsule provided by the embodiment 3 of the invention comprises the following steps: the first step is as follows: mixing the weighed nitrile rubber, polyvinyl chloride plastic, zinc oxide, stearic acid, paraffin and 4010NA anti-aging agent in an internal mixer, wherein the mixing temperature is controlled at 77 ℃ for about 8min, and the Mooney viscosity of the nitrile rubber is preferably 55-60; the second step is that: adding 2/3 parts by weight of N220 carbon black and 1/2 parts by weight of N774 carbon black into the rubber material, and mixing at 77 ℃ for about 8 min; a third step; adding 1/3N220 carbon black in parts by weight, 1/2N 774 carbon black in parts by weight and DOA plasticizer in parts by weight for mixing to obtain a master batch, wherein the mixing temperature is controlled at 77 ℃ and the mixing time is about 4 min; the fourth step: putting the master batch into a rubber filter for filtering, then putting the master batch into an open mill, and then adding the weighed S-80 vulcanizing agent and the weighed DM vulcanizing agent for mixing to obtain a rubber compound; the fifth step: the mixed rubber is turned over and mixed on a heat mixer, so that the mixing uniformity of the rubber material is improved, and the plasticity is further increased; and a sixth step: and (3) putting the rubber compound into a rubber sheet of a calender, then putting the rubber sheet into an extruder to extrude the rubber sheet, and then cooling the rubber sheet.
Example 4
The rubber material for the hydraulic accumulator capsules provided by the embodiment 4 of the invention is prepared from at least the following raw materials in parts by weight: 50 parts of nitrile rubber; 10 parts of polyvinyl chloride plastic; 3 parts of zinc oxide; 1 part by weight of stearic acid; 1 part by weight of paraffin; 3 parts of anti-aging agent; 42.5 parts by weight of N220 carbon black; 7.5 parts of N774 carbon black; 22 parts by weight of a plasticizer; 1.5 parts of S-80 vulcanizing agent; DM vulcanizing agent 0.85 parts.
The preparation method of the rubber material for the hydraulic accumulator capsule provided by the embodiment 4 of the invention comprises the following steps: the first step is as follows: mixing the weighed nitrile rubber, polyvinyl chloride plastic, zinc oxide, stearic acid, paraffin and 4010NA anti-aging agent in an internal mixer, wherein the mixing temperature is controlled at 85 ℃ for about 7min, and the Mooney viscosity of the nitrile rubber is preferably 55-60; the second step is that: adding 2/3N 220 carbon black and 1/2N 774 carbon black in parts by weight into the rubber material, and mixing at 85 ℃ for about 7 min; a third step; then adding 1/3N220 carbon black, 1/2N 774 carbon black and DOA plasticizer in parts by weight for mixing to obtain a master batch, wherein the mixing temperature is controlled at 85 ℃ and the mixing time is about 6 min; the fourth step: putting the master batch into a rubber filter for filtering, then putting the master batch into an open mill, and then adding the weighed S-80 vulcanizing agent and the weighed DM vulcanizing agent for mixing to obtain a rubber compound; the fifth step: the mixed rubber is turned over and mixed on a heat mixer, so that the mixing uniformity of the rubber material is improved, and the plasticity is further increased; and a sixth step: and (3) putting the rubber compound into a rubber sheet of a calender, then putting the rubber sheet into an extruder to extrude the rubber sheet, and then cooling the rubber sheet.
Tests show that the technical performance indexes of the capsule prepared by using the rubber provided by the invention are shown in the table 1:
TABLE 1
The rubber-plastic alloy rubber provided by the invention takes the nitrile rubber as a main base material, and is added with a material which is effectively modified by part of polyvinyl chloride, and from the research angle of a high polymer material, the double bonds on the long chain of the nitrile rubber (NBR) are sealed by polyvinyl chloride (PVC) macromolecules, so that the rubber material for the hydraulic accumulator capsule provided by the invention has a highly saturated elastomer, good oil resistance (good resistance to fuel oil, lubricating oil and aromatic solvents), and due to the highly saturated structure, the rubber material has good heat resistance, excellent chemical corrosion resistance (good resistance to freon, acid and alkali), excellent ozone resistance and higher compression permanent deformation resistance; meanwhile, the high-strength wear-resistant steel has the characteristics of high strength, high tearing performance, excellent wear resistance and the like.
The rubber material for the hydraulic accumulator capsule provided by the invention solves the technical problems of short service life and the like in the prior art, and also ensures that the content of polycyclic aromatic hydrocarbon in the capsule completely meets the environmental protection requirement of European Union, the content of polycyclic aromatic hydrocarbon PAHs is analyzed and detected by adopting a GC-MS method, the result is not more than 0.5mg/kg, the requirement of the European Union is completely met, the high elasticity and the sealing property are not changed in a concentrated oil solvent for a long time, the rubber material is not easy to age after long-term working in a high-temperature and high-pressure environment, the high elasticity of the capsule is maintained, and the service life of the rubber material.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Industrial applicability:
compared with the prior art, the capsule manufactured by the manufacturing method of the hydraulic accumulator capsule provided by the invention is integrally formed in one-step vulcanization mode, has uniform wall thickness, smooth inner and outer surfaces and long fatigue life, simplifies the process, and has high product quality and good stability. The air tightness is good, the air leakage in the capsule body can be effectively avoided, and the peak valley value of pressure fluctuation can be eliminated. Has strong industrial practicability and operability in industry and can be realized in industry.
Claims (1)
1. A method for manufacturing a hydraulic accumulator capsule is characterized by comprising the steps of preheating a film in a glue drying room at 60-70 ℃, winding a plurality of layers of films on an inflated air bag to form a capsule blank, putting the capsule blank into a vulcanizing device for vulcanizing to form a capsule primary product, exhausting gas in the inflated air bag in the capsule primary product, taking out the air bag, and naturally cooling the vulcanized capsule primary product to room temperature to form a capsule finished product; the rubber material for the hydraulic accumulator capsule is prepared from at least the following raw materials in parts by weight: 50-90 parts of nitrile rubber; 10-50 parts of polyvinyl chloride plastic; 3-5 parts of zinc oxide; 1-1.5 parts by weight of stearic acid; 0.5-1 part of paraffin; 2.5-3 parts of anti-aging agent; 40-42.5 parts by weight of N220 carbon black; 7.5-10 parts by weight of N774 carbon black; 20-22 parts of a plasticizer; 1.5-1.8 parts by weight of S-80 vulcanizing agent; 0.85 to 1.2 weight portions of DM vulcanizing agent.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/CN2016/083447 WO2017201707A1 (en) | 2016-05-26 | 2016-05-26 | Method for manufacturing integrated rubber bag of hydraulic accumulator |
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CN107509387A CN107509387A (en) | 2017-12-22 |
CN107509387B true CN107509387B (en) | 2020-01-10 |
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US (1) | US10807318B2 (en) |
CN (1) | CN107509387B (en) |
WO (1) | WO2017201707A1 (en) |
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CN113287961A (en) * | 2021-05-31 | 2021-08-24 | 中国船舶重工集团公司第七一九研究所 | Leather bag type toilet storage container |
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CN1546309A (en) * | 2003-12-05 | 2004-11-17 | 刘有策 | Process for preparing high pressure capsule |
CN102927276A (en) * | 2012-11-09 | 2013-02-13 | 河北博龙橡塑制品有限公司 | Hollow rubber gasket and production method thereof |
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BE687217A (en) * | 1965-09-27 | 1967-03-22 | ||
JPS583848A (en) * | 1981-06-30 | 1983-01-10 | Dainichi Nippon Cables Ltd | Molding of bladder |
US5024715A (en) * | 1987-09-22 | 1991-06-18 | Trusco Tank, Inc. | Method for fabricating secondary containment capsule for underground storage tank |
JP3839228B2 (en) * | 2000-07-31 | 2006-11-01 | 株式会社神戸製鋼所 | Raw tire preheating method and apparatus |
JP4476661B2 (en) * | 2003-06-09 | 2010-06-09 | 株式会社神戸製鋼所 | Vulcanizer |
CN101157274B (en) * | 2007-11-14 | 2010-12-01 | 张凤斌 | A method for preparing air seal capsule |
CN101284405B (en) * | 2008-05-22 | 2010-08-04 | 刘有策 | Mould and method for producing high pressure seamless capsules |
CN104292535A (en) * | 2014-09-25 | 2015-01-21 | 沈阳化工大学 | NBR/PVC elastomer by taking LNBR as plasticizer and preparation method of elastomer |
CN104908347B (en) * | 2015-06-07 | 2017-09-01 | 青岛吉尔工程橡胶有限公司 | A kind of manufacture method of the high-pressure gasbag of use vulcanizing press temperature-pressure vulcanization |
CN204900366U (en) * | 2015-08-25 | 2015-12-23 | 奉化市东升液压气动制造有限公司 | Energy storage ware capsule |
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2016
- 2016-05-26 WO PCT/CN2016/083447 patent/WO2017201707A1/en active Application Filing
- 2016-05-26 CN CN201680003570.3A patent/CN107509387B/en active Active
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1546309A (en) * | 2003-12-05 | 2004-11-17 | 刘有策 | Process for preparing high pressure capsule |
CN102927276A (en) * | 2012-11-09 | 2013-02-13 | 河北博龙橡塑制品有限公司 | Hollow rubber gasket and production method thereof |
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CN107509387A (en) | 2017-12-22 |
US10807318B2 (en) | 2020-10-20 |
US20180290392A1 (en) | 2018-10-11 |
WO2017201707A1 (en) | 2017-11-30 |
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